Fire

Python Fire is a library for creating command line interfaces (CLIs) from absolutely any Python object.

Simple CLI generation
Debugging help
Exploring code
Interactive REPL

Installing

pip install fire

Fire is tested against Python 2.7, 3.4, 3.5, 3.6.

import fire

class Calculator(object):
    """A simple calculator."""

    def double(self, number):
        return 2 * number

if __name__ == '__main__':
    fire.Fire(Calculator)

Example

python calculator.py double 10  # 20
python calculator.py double --number=15  # 30

Creating a CLI	Command	Notes
import	`import fire`	-
Call	`fire.Fire()`	Turns the current module into a Fire CLI.
Call	`fire.Fire(component)`	Turns `component` into a Fire CLI.

Using a CLI	Command	Notes
Help	`command -- --help`	-
REPL	`command -- --interactive`	Interactive mode.
Separator	`command -- --separator=X`	sets the separator

Using a CLI	Command	Notes
Completion	`command -- --completion`	Completion script
Trace	`command -- --trace`	Trace the command.
Verbose	`command -- --verbose`	-

Note that flags are separated from the Fire command by an isolated -- arg.

See example .py files in the same dir as this notebook.